CN212106428U - Three-gear shifting cylinder assembly - Google Patents

Abstract

The utility model discloses a three-gear shifting cylinder assembly, the planar design who has adopted the big face in structural outside has reduced outer plane irregularity, be convenient for its early manufacturing, mainly by on overall structure, the cylinder block, main piston, the sensor axle, the guidance tape, the air cavity etc. constitute, wherein the carrier of cylinder block as other spare parts acts on the outside, main piston is located the first half of cylinder block, realization guidance tape through atmospheric pressure, axial motion is done in turn to the air cavity, thereby realize the exchange of three gears, induction system transmits the condition of cylinder block work constantly. The sensing end transmits the output data to the instrument panel. When a driver passes through the changed gear of the automobile, the sensor shaft is used for carrying the piston, and the gear is changed, namely, the gear is shifted, the neutral gear is shifted and the gear is shifted. The device adopts the multi-cavity inner air cavity, is externally decorated by adopting a flat outer edge surface, is convenient to manufacture and install, has reliable use performance, and meets the requirements of the current market.

Description

Three-gear shifting cylinder assembly

Technical Field

The utility model relates to an automobile manufacturing technical field especially relates to a three-gear cylinder assembly of shifting.

Background

The era has rapidly developed, as has the automotive industry, in which electrically controlled pneumatic gear-shifting devices for vehicles are also rapidly developed. The electronic circuit is used for controlling the gear shifting time and action program, compressed air is used as gear shifting power, and stepped speed change automatic gear shifting is adopted. The related product device in the current market mainly comprises a keyboard type operating switch, a pneumatic actuating mechanism, an electric control mechanism and an auxiliary mechanism. Three choices of reverse, neutral and forward can be realized. The pneumatic actuating mechanism pushes a cylinder piston to move by compressed air to realize gear shifting or gear disengaging of a gearbox, but in the actual gear shifting process, the appearance is small, and tool changing is unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-gear shifting cylinder assembly in order to solve the shortcoming that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a three-gear shifting cylinder assembly comprises a cylinder body (1), a main piston (2), a cylinder shaft (3), a cylinder body link plate (4), a positioning piston (5), a positioning cylinder (6), an end cover (7), a sensor shaft (8), a rubber pad (9), a fixing cover (10), a copper sleeve (11), a sensor seat (12), a sensor (13), a magnetic ring seat (14), a magnetic ring (15), a pin (16), a sensor shaft induction head (17), a lubricating grease storage groove (18), a front shifting air inlet (19), a first guide belt (20), a second shifting air inlet (21), a second guide belt (22), a first O-shaped ring (23), a second O-shaped ring (24), a bolt rod (25), a bolt (26), a first air cavity (27) and a second air cavity (28);

the cylinder shaft (3) is connected with the sensor shaft (8) in an embedded mode, the cylinder shaft and the sensor shaft are positioned on the same axis, a sensor shaft induction head (17) is fixed to the end portion of the sensor shaft (8) through a pin (16) and is in contact with a magnetic ring (15) fixed on a magnetic ring seat (14), and data signals are transmitted to the sensor (13); the cylinder body link plate (4), the cylinder body (1), the positioning cylinder (6) and the end cover (7) are combined with the bolt rod (25) through connecting holes on the same axial line to form a cylinder shell; a first O-shaped ring (23) is arranged on the cylinder body (1), and a second O-shaped ring (24) is arranged on the end cover (7); the cylinder shaft (3) is connected with a power mechanism through the front end of the cylinder body (1), a rubber pad (9) is arranged at the contact part, and a second air cavity (28) is formed by the cylinder shaft and the cylinder body; the main piston (2) is positioned in the cylinder body (1) and is respectively connected with the cylinder shaft (3) and the sensor shaft (8), and a second gear shifting air inlet (21) and a second guide belt (22) are respectively arranged on the outer surface of the main piston (2); the tail part of the main piston (2) is connected with a positioning piston (5) positioned on a sensor shaft (8), and a rubber pad (9) and a fixed cover (10) are arranged at the connecting contact part to limit the piston; a copper sleeve (11), a lubricating grease storage groove (18) and a front gear shifting air inlet (19) are sequentially arranged on the sensor shaft (8), a first air cavity (27) is formed by the tail part of the copper sleeve (11) and the end cover (7), and the front gear shifting air inlet (19) and a first guide belt (20) are respectively arranged at the contact part of the copper sleeve and the positioning cylinder (6); the sensor (13) is positioned on the sensor seat (12), and the sensor seat (12) is connected to the end cover (7) through a hexagon bolt.

The utility model has the advantages that: the device reduces the bulges at the outer part, is convenient for assembly after casting in the early stage, adopts a double-air cavity at the inner part, and is provided with the sensing device at the tail part, so that related data can be rapidly transmitted.

Drawings

Figure 1 is a cross-sectional view of the present invention.

Fig. 2 is a front view of the present invention.

Figure 3 is a partial cross-sectional view of the present invention.

Figure 4 is a diagram of the sensor of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, a three-gear shift cylinder assembly includes a cylinder block 1, a main piston 2, a cylinder shaft 3, a cylinder block link plate 4, a positioning piston 5, a positioning cylinder 6, an end cover 7, a sensor shaft 8, a rubber pad 9, a fixing cover 10, a copper bush 11, a sensor holder 12, a sensor 13, a magnetic ring holder 14, a magnetic ring 15, a pin 16, a sensor shaft sensor head 17, a grease storage groove 18, a front shift air inlet 19, a first guide belt 20, a second shift air inlet 21, a second guide belt 22, a first O-ring 23, a second O-ring 24, a bolt rod 25, a bolt 26, a first air chamber 27, and a second air chamber 28.

The cylinder shaft 3 is connected with the sensor shaft 8 in an embedded mode, the sensor shaft 3 and the sensor shaft 8 are located on the same axis, a sensor shaft induction head 17 is fixed to the end portion of the sensor shaft 8 through a pin 16 and contacts with a magnetic ring 15 fixed on a magnetic ring seat 14 to transmit data signals to a sensor 13, a cylinder body link plate 4, a cylinder body 1, a positioning cylinder 6 and an end cover 7 are combined with a bolt rod 25 through connecting holes located on the same axis to form a cylinder shell, the cylinder body 1 and the end cover 7 are respectively provided with a first O-shaped ring 23 and a second O-shaped ring 24 to guarantee lubrication of the cylinder body, the cylinder shaft 3 is connected with a power mechanism through a front port of the cylinder body 1, a rubber pad 9 is arranged at a contact portion to keep air tightness, and a second air. The main piston 2 is located inside the cylinder block 1, and is located on the cylinder shaft 3 and the sensor shaft 8, and a second shift inlet 21 and a second guide belt 22 are provided on the outer surface of the main piston 2. The afterbody of main piston 2 is connecting location piston 5, be located sensor shaft 8, be equipped with rubber pad 9 with main piston 2 contact site, fixed lid 10 is spacing to the piston, be equipped with copper sheathing 11 in proper order on sensor shaft 8, lubricating grease stores recess 18, preceding shift inlet 19, in its piston relative motion in-process, keep relative lubrication, copper sheathing 11 guarantees the thickness of lubricating grease, prevent to lead to thermal difficult the giving off because lubricating grease is too thick, its afterbody forms first air cavity 27 with end cover 7, shift inlet 19 before being equipped with respectively with location cylinder 6 contact site, first direction area 20. The sensor 13 is positioned on the sensor seat 12, and the sensor seat 12 is connected on the end cover 7 through a hexagon bolt.

The principle is as follows:

when a driver passes through the changed running gear of the automobile, the sensor shaft drives the piston to change the gear, namely, the gear is shifted, neutral gear and gear is shifted for use. Before the gear is shifted, air pressure enters the air cavity, the piston is pushed under the action of the air pressure to convert gears, other air inlet openings are respectively in a closed state in the process of moving the piston, and when the gears are successfully hung, the magnetic induction device can contact corresponding electromagnetic signals to transmit data into the instrument panel.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (1)

1. A three-gear shifting cylinder assembly is characterized by comprising a cylinder body (1), a main piston (2), a cylinder shaft (3), a cylinder body link plate (4), a positioning piston (5), a positioning cylinder (6), an end cover (7), a sensor shaft (8), a rubber pad (9), a fixed cover (10), a copper bush (11), a sensor seat (12), a sensor (13), a magnetic ring seat (14), a magnetic ring (15), a pin (16), a sensor shaft induction head (17), a lubricating grease storage groove (18), a front shifting air inlet (19), a first guide belt (20), a second shifting air inlet (21), a second guide belt (22), a first O-shaped ring (23), a second O-shaped ring (24), a bolt rod (25), a bolt (26), a first air cavity (27) and a second air cavity (28);

the cylinder shaft (3) is connected with the sensor shaft (8) in an embedded mode, the cylinder shaft and the sensor shaft are positioned on the same axis, a sensor shaft induction head (17) is fixed to the end portion of the sensor shaft (8) through a pin (16) and is in contact with a magnetic ring (15) fixed on a magnetic ring seat (14), and data signals are transmitted to the sensor (13); the cylinder body link plate (4), the cylinder body (1), the positioning cylinder (6) and the end cover (7) are combined with the bolt rod (25) through connecting holes on the same axial line to form a cylinder shell; a first O-shaped ring (23) is arranged on the cylinder body (1), and a second O-shaped ring (24) is arranged on the end cover (7); the cylinder shaft (3) is connected with a power mechanism through the front end of the cylinder body (1), a rubber pad (9) is arranged at the contact part, and a second air cavity (28) is formed by the cylinder shaft and the cylinder body; the main piston (2) is positioned in the cylinder body (1) and is respectively connected with the cylinder shaft (3) and the sensor shaft (8), and a second gear shifting air inlet (21) and a second guide belt (22) are respectively arranged on the outer surface of the main piston (2); the tail part of the main piston (2) is connected with a positioning piston (5) positioned on a sensor shaft (8), and a rubber pad (9) and a fixed cover (10) are arranged at the connecting contact part to limit the piston; a copper sleeve (11), a lubricating grease storage groove (18) and a front gear shifting air inlet (19) are sequentially arranged on the sensor shaft (8), a first air cavity (27) is formed by the tail part of the copper sleeve (11) and the end cover (7), and the front gear shifting air inlet (19) and a first guide belt (20) are respectively arranged at the contact part of the copper sleeve and the positioning cylinder (6); the sensor (13) is positioned on the sensor seat (12), and the sensor seat (12) is connected to the end cover (7) through a hexagon bolt.

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